Exemple #1
0
static gboolean
gst_play_sink_convert_bin_sink_setcaps (GstPlaySinkConvertBin * self,
    GstCaps * caps)
{
  GstStructure *s;
  const gchar *name;
  gboolean reconfigure = FALSE;
  gboolean raw;

  GST_DEBUG_OBJECT (self, "setcaps");
  GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
  s = gst_caps_get_structure (caps, 0);
  name = gst_structure_get_name (s);

  if (self->audio) {
    raw = g_str_equal (name, "audio/x-raw");
  } else {
    raw = g_str_equal (name, "video/x-raw");
  }

  GST_DEBUG_OBJECT (self, "raw %d, self->raw %d, blocked %d",
      raw, self->raw, gst_pad_is_blocked (self->sink_proxypad));

  if (raw) {
    if (!gst_pad_is_blocked (self->sink_proxypad)) {
      GstPad *target = gst_ghost_pad_get_target (GST_GHOST_PAD (self->sinkpad));

      if (!self->raw || (target && !gst_pad_query_accept_caps (target, caps))) {
        if (!self->raw)
          GST_DEBUG_OBJECT (self, "Changing caps from non-raw to raw");
        else
          GST_DEBUG_OBJECT (self, "Changing caps in an incompatible way");

        reconfigure = TRUE;
        block_proxypad (self);
      }

      if (target)
        gst_object_unref (target);
    }
  } else {
    if (self->raw && !gst_pad_is_blocked (self->sink_proxypad)) {
      GST_DEBUG_OBJECT (self, "Changing caps from raw to non-raw");
      reconfigure = TRUE;
      block_proxypad (self);
    }
  }

  /* Otherwise the setcaps below fails */
  if (reconfigure) {
    gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
    gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
  }

  GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);

  GST_DEBUG_OBJECT (self, "Setting sink caps %" GST_PTR_FORMAT, caps);

  return TRUE;
}
Exemple #2
0
/**
 * Process a pad for connecting or disconnecting, it should be always called
 * whint the agnostic lock hold.
 *
 * @self: The #KmsAgnosticBin2 owner of the pad
 * @pad: The pad to be processed
 */
static gboolean
kms_agnostic_bin2_process_pad (KmsAgnosticBin2 * self, GstPad * pad)
{
  GstPad *peer = NULL;

  if (!GST_OBJECT_FLAG_IS_SET (pad, KMS_AGNOSTIC_PAD_STARTED)) {
    return FALSE;
  }

  if (!self->priv->started) {
    return FALSE;
  }

  GST_DEBUG_OBJECT (self, "Processing pad: %" GST_PTR_FORMAT, pad);

  if (pad == NULL) {
    return FALSE;
  }

  peer = gst_pad_get_peer (pad);

  if (peer != NULL) {
    GstPad *target = gst_ghost_pad_get_target (GST_GHOST_PAD (pad));

    if (target) {
      GstCaps *caps = gst_pad_get_current_caps (pad);

      if (caps != NULL) {
        gboolean accepted;

        accepted = gst_pad_query_accept_caps (peer, caps);
        gst_caps_unref (caps);

        if (accepted) {
          GST_DEBUG_OBJECT (self, "No need to reconfigure pad %" GST_PTR_FORMAT,
              pad);
          g_object_unref (target);
          g_object_unref (peer);
          return FALSE;
        }

        remove_target_pad (pad);
      }

      g_object_unref (target);
    }

    kms_agnostic_bin2_link_pad (self, pad, peer);
  }

  return TRUE;
}